Example usage for org.apache.cassandra.io.sstable.format SSTableReader getReadMeter

Introduction

In this page you can find the example usage for org.apache.cassandra.io.sstable.format SSTableReader getReadMeter.

Prototype

public RestorableMeter getReadMeter() 

Source Link

Usage

From source file:com.jeffjirsa.cassandra.db.compaction.SizeTieredCompactionStrategy.java

License:Apache License

/**
 * Returns the reads per second per key for this sstable, or 0.0 if the sstable has no read meter
 *///from   w ww .  j  a  v  a 2  s . co m
private static double hotness(SSTableReader sstr) {
    // system tables don't have read meters, just use 0.0 for the hotness
    return sstr.getReadMeter() == null ? 0.0 : sstr.getReadMeter().twoHourRate() / sstr.estimatedKeys();
}

---